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1 files changed, 83 insertions, 0 deletions

diff --git a/src/components/starlight/Breadcrumbs.astro b/src/components/starlight/Breadcrumbs.astro
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+++ b/src/components/starlight/Breadcrumbs.astro
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+---
+import config from 'virtual:starlight/user-config';
+
+const route = Astro.locals.starlightRoute;
+const base = config.base || '';
+const slug = route.entry?.slug || route.id || '';
+const parts = slug.split('/').filter(Boolean);
+
+// Build breadcrumb trail
+const breadcrumbs: { label: string; href: string }[] = [];
+let currentPath = '';
+for (let i = 0; i < parts.length; i++) {
+  currentPath += '/' + parts[i];
+  breadcrumbs.push({
+    label: labelMap(parts[i]) || parts[i],
+    href: base + currentPath + '/',
+  });
+}
+
+// Replace last breadcrumb label with page title
+if (breadcrumbs.length > 0) {
+  breadcrumbs[breadcrumbs.length - 1].label = route.entry?.data?.title || breadcrumbs[breadcrumbs.length - 1].label;
+}
+
+function labelMap(segment: string): string | null {
+  const map: Record<string, string> = {
+    'ippan-situmon': '一般質問',
+    'gian-tou': '議案等',
+    'hattatu': '発達関連',
+    'blog': 'ふらっとブログ',
+    'r7d': '令和7年度', 'r6d': '令和6年度', 'r5d': '令和5年度', 'r4d': '令和4年度',
+    'r3d': '令和3年度', 'r2d': '令和2年度', 'r1d': '令和元年度',
+    '6gatu': '6月定例会', '9gatu': '9月定例会',
+    '12gatu': '12月定例会', '3gatu': '3月定例会',
+  };
+  return map[segment] || null;
+}
+---
+
+{breadcrumbs.length > 0 && (
+  <nav class="breadcrumbs" aria-label="パンくず">
+    <ol>
+      <li><a href="/">ホーム</a></li>
+      {breadcrumbs.map((crumb, i) => (
+        <li>
+          {i < breadcrumbs.length - 1 ? (
+            <a href={crumb.href}>{crumb.label}</a>
+          ) : (
+            <span>{crumb.label}</span>
+          )}
+        </li>
+      ))}
+    </ol>
+  </nav>
+)}
+
+<style>
+  .breadcrumbs ol {
+    list-style: none;
+    padding: 0;
+    margin: 0 0 0.5rem;
+    font-size: 0.85rem;
+    color: var(--sl-color-gray-3);
+    line-height: 1.6;
+  }
+  .breadcrumbs li {
+    display: inline;
+  }
+  .breadcrumbs li:not(:last-child)::after {
+    content: '›';
+    margin: 0 0.25rem;
+  }
+  .breadcrumbs a {
+    text-decoration: none;
+    color: var(--sl-color-gray-3);
+  }
+  .breadcrumbs a:hover {
+    color: var(--sl-color-accent);
+  }
+  .breadcrumbs span {
+    color: var(--sl-color-text);
+  }
+</style>